31010111401 has 4 divisors (see below), whose sum is σ = 31167523332. Its totient is φ = 30852699472.

The previous prime is 31010111389. The next prime is 31010111441. The reversal of 31010111401 is 10411101013.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10411101013 = 41 ⋅253929293.

It can be written as a sum of positive squares in 2 ways, for example, as 27981260176 + 3028851225 = 167276^2 + 55035^2 .

It is a cyclic number.

It is not a de Polignac number, because 31010111401 - 2⁵ = 31010111369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31010111441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78705670 + ... + 78706063.

It is an arithmetic number, because the mean of its divisors is an integer number (7791880833).

Almost surely, 2^31010111401 is an apocalyptic number.

It is an amenable number.

31010111401 is a deficient number, since it is larger than the sum of its proper divisors (157411931).

31010111401 is a wasteful number, since it uses less digits than its factorization.

31010111401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157411930.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 31010111401 its reverse (10411101013), we get a palindrome (41421212414).

The spelling of 31010111401 in words is "thirty-one billion, ten million, one hundred eleven thousand, four hundred one".